{"id":"CVE-2026-13340","aliases":["EUVD-2026-52170","GHSA-2v5f-qf73-676h"],"status":"published","title":"SVG Support \u003c 2.5.17 - Author+ Stored XSS via .svgz Sanitization Bypass","description":"The SVG Support WordPress plugin before 2.5.17 does not apply its SVG sanitisation to uploaded files using the .svgz extension, even though it registers and serves them as SVG, allowing a user permitted to upload SVGs (such as an Author once granted upload access) to store a script-bearing file that executes in the browser of anyone who later views it, including an administrator.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00253,"percentile":0.16874,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-08-03T06:00:11Z","modified":"2026-08-26T16:31:36Z","products":[{"vendor":"unknown","product":"svg support"}],"references":[{"url":"https://wpscan.com/vulnerability/819ae1bd-3552-4e2f-a95a-0069852d745f/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-13340"},{"url":"https://wpscan.com/vulnerability/819ae1bd-3552-4e2f-a95a-0069852d745f"},{"url":"https://github.com/advisories/GHSA-2v5f-qf73-676h"}],"sources":{"cve":[{"id":"CVE-2026-13340","title":"SVG Support \u003c 2.5.17 - Author+ Stored XSS via .svgz Sanitization Bypass","description":"The SVG Support WordPress plugin before 2.5.17 does not apply its SVG sanitisation to uploaded files using the .svgz extension, even though it registers and serves them as SVG, allowing a user permitted to upload SVGs (such as an Author once granted upload access) to store a script-bearing file that executes in the browser of anyone who later views it, including an administrator.","status":"published","published":"2026-08-03T06:00:11.984Z","modified":"2026-08-03T17:04:22.325Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:19:50.24628Z"}],"euvd":[{"id":"EUVD-2026-52170","description":"The SVG Support WordPress plugin before 2.5.17 does not apply its SVG sanitisation to uploaded files using the .svgz extension, even though it registers and serves them as SVG, allowing a user permitted to upload SVGs (such as an Author once granted upload access) to store a script-bearing file that executes in the browser of anyone who later views it, including an administrator.","status":"published","published":"2026-08-03T06:00:11Z","modified":"2026-08-03T17:04:22Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T18:02:24.01774Z"}],"ghsa":[{"id":"GHSA-2v5f-qf73-676h","title":"The SVG Support WordPress plugin before 2.5.17 does not apply its SVG sanitisation to uploaded...","description":"The SVG Support WordPress plugin before 2.5.17 does not apply its SVG sanitisation to uploaded files using the .svgz extension, even though it registers and serves them as SVG, allowing a user permitted to upload SVGs (such as an Author once granted upload access) to store a script-bearing file that executes in the browser of anyone who later views it, including an administrator.","status":"published","published":"2026-08-03T09:32:36Z","modified":"2026-08-03T18:31:50Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:10:02.88062Z"}],"nvd":[{"id":"CVE-2026-13340","description":"The SVG Support WordPress plugin before 2.5.17 does not apply its SVG sanitisation to uploaded files using the .svgz extension, even though it registers and serves them as SVG, allowing a user permitted to upload SVGs (such as an Author once granted upload access) to store a script-bearing file that executes in the browser of anyone who later views it, including an administrator.","status":"published","published":"2026-08-03T07:16:39.303Z","modified":"2026-08-26T16:31:36.75Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:34.290716Z"}]}}